java实现靠边隐藏窗口
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AutoHiddenFrame.java
package com.xdarkness.swing.autohidden;import java.awt.BorderLayout;import java.awt.GraphicsConfiguration;import java.awt.GraphicsEnvironment;import java.awt.Insets;import java.awt.Point;import javax.swing.JFrame;import javax.swing.JPanel;/** * @author Darkness * @version 1.0 * @since JDF 1.0 */public class AutoHiddenFrame extends JFrame {private static final long serialVersionUID = 1L;protected GraphicsConfiguration translucencyCapableGC;// 图形环境private AHFBodyState state = AHFBodyState.NORMAL; // 窗体的状态,让它初始化为普通状态private Point hiddenPoint; // 隐藏窗体时,窗体的位置private Point visiblePoint; // 窗体处于显示状态时的位置public AutoHiddenFrame() {// 获取系统图形环境translucencyCapableGC = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getDefaultConfiguration();setContentPane(new JPanel(new BorderLayout()) {private static final long serialVersionUID = 1L;public Insets getInsets() {return new Insets(3, 3, 3, 3);}}); // 替换掉原来的ContentPane,换上一个带有Insets的,至于为什么去看WindowMouseListener类new WindowLocationListener(this);new WindowMouseListener(this);//WindowLocationListener.checkAutoHiddenState(this);// 刚出来就检查一下窗体的位置}protected int FWidth;protected int FHeight;@Overridepublic void setSize(int width, int height) {super.setSize(width, height);FWidth = width;FHeight = height;}/** * @param newState * 新的状态 一定要是此类中定义的3中状态之一 */public void setStates(AHFBodyState newState) {state = newState;}/* * 返回状态,注意此方法和setStates方法区别与JFrame中的setState()和getState()方法 */public AHFBodyState getStates() {return state;}/* * 设置要显示时窗体的坐标 */public void setVisiblePoint(Point point) {visiblePoint = point;}/* * 设置要隐藏是窗体的坐标 */public void setHiddenPoint(Point point) {hiddenPoint = point;}public void moveToVisible() {if (visiblePoint != null) {WindowMover.moveToPoint(this, visiblePoint);setStates(AHFBodyState.CANHIDD);}}public void moveToHidden() {if (hiddenPoint != null) {WindowMover.moveToPoint(this, hiddenPoint);setStates(AHFBodyState.HIDDEN);}}public void setMoveFrames(int frames){WindowMover.FRAMES = frames;}}/** * 窗体状态 * @author Darkness * @version 1.0 * @since JDF 1.0 */class AHFBodyState {private String bodyState;AHFBodyState(String bodyState) {this.bodyState = bodyState;}public static final AHFBodyState NORMAL = new AHFBodyState("nomal"); // 窗体的普通状态public static final AHFBodyState CANHIDD = new AHFBodyState("can hid"); // 窗体位于屏幕边缘,可以隐藏的状态public static final AHFBodyState HIDDEN = new AHFBodyState("hidden"); // 窗体处于隐藏状态public String toString() {return bodyState;}}package com.xdarkness.swing.autohidden;import java.awt.Dimension;import java.awt.Point;import java.awt.Toolkit;import java.awt.event.ComponentAdapter;import java.awt.event.ComponentEvent;/** * 为窗体添加控制窗口是否隐藏的监听器 判断窗体的位置，更新显示、隐藏的点，及窗体的状态 * * @author Darkness * @version 1.0 * @since JDF 1.0 * */public class WindowLocationListener extends ComponentAdapter {public static final int HIDDEN_BOUND = 3; // 当窗体进入到屏幕边缘3像素以内就可以隐藏public static final int VISIBLE_BOUND = 5; // 当窗体隐藏后要有5像素的部分露出来,不能完全隐藏AutoHiddenFrame frame;public WindowLocationListener(AutoHiddenFrame a) {frame = a;frame.addComponentListener(this);}public void componentMoved(ComponentEvent e) {checkAutoHiddenState(frame);// 当窗体移动就调用检查方法;}/** * 判断窗体的位置，更新显示、隐藏的点，及窗体的状态 * * @param frame */public static void checkAutoHiddenState(AutoHiddenFrame frame) {// 当窗体状态不是隐藏的,再进行检查if (frame.getStates() == AHFBodyState.HIDDEN) {return;}// 首先获得屏幕的大小和窗体的坐标Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();Point hiddenPoint = frame.getLocation();Point visiblePoint = null;boolean canhidden = false;System.out.println("hiddenPoint before:" + hiddenPoint);// 当窗体位于左边边缘if (hiddenPoint.x <= HIDDEN_BOUND) {hiddenPoint.move(VISIBLE_BOUND - frame.FWidth, hiddenPoint.y);visiblePoint = new Point(0, hiddenPoint.y);canhidden = true;}// 当窗体位于上边else if (hiddenPoint.y <= HIDDEN_BOUND) {hiddenPoint.setLocation(hiddenPoint.x, VISIBLE_BOUND- frame.FHeight);visiblePoint = new Point(hiddenPoint.x, 0);canhidden = true;}// 当窗体位于右边else if (hiddenPoint.x + frame.getWidth() >= screenSize.width- HIDDEN_BOUND) {hiddenPoint.setLocation(screenSize.width - VISIBLE_BOUND,hiddenPoint.y);visiblePoint = new Point(screenSize.width - frame.FWidth,hiddenPoint.y);canhidden = true;}System.out.println("hiddenPoint after:" + hiddenPoint);if (canhidden) {// 如果符合以上几种情况的一种就可以隐藏frame.setVisiblePoint(visiblePoint);frame.setHiddenPoint(hiddenPoint);frame.setStates(AHFBodyState.CANHIDD);System.out.println("进入可隐藏区域!");} else {// 如果不可以隐藏,那就是离开了边缘了if (frame.getStates() == AHFBodyState.CANHIDD) {System.out.println("离开可应藏区域!");}frame.setVisiblePoint(frame.getLocation());frame.setStates(AHFBodyState.NORMAL);}}}package com.xdarkness.swing.autohidden;import java.awt.Container;import java.awt.MouseInfo;import java.awt.Point;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.MouseAdapter;import java.awt.event.MouseEvent;import java.awt.event.WindowEvent;import java.awt.event.WindowFocusListener;import javax.swing.SwingUtilities;import javax.swing.Timer;/** * 为窗体添加鼠标事件监听器 * * @author Darkness * @version 1.0 * @since JDF 1.0 */public class WindowMouseListener extends MouseAdapter implements ActionListener, WindowFocusListener { private Timer timer; private AutoHiddenFrame frame; Container container; public WindowMouseListener(AutoHiddenFrame a) { frame = a; container = frame.getContentPane(); container.addMouseListener(this); // 注册鼠标侦听器到ContentPane上,因为我们可以加大它的Insets以提高鼠标进入和离开的灵敏度 frame.addWindowFocusListener(this); // 注册一个焦点侦听器到窗体上 timer = new Timer(2000, this); timer.setRepeats(false); } public void mouseEntered(MouseEvent e) { // 当鼠标进入,就显示窗体 if (frame.getStates() == AHFBodyState.HIDDEN) { frame.moveToVisible(); } } public void mouseExited(MouseEvent e) { // 当鼠标离开,启动计时器 if (frame.getStates() == AHFBodyState.CANHIDD) { if (!container.contains(e.getPoint())) { System.out.println(timer.getDelay() / 1000 + "秒后自动隐藏窗口!"); timer.restart(); } } } public void actionPerformed(ActionEvent e) { // 计时器到期,检查鼠标是不是还在此窗体里面,不再的话,再开始隐藏 Point p = MouseInfo.getPointerInfo().getLocation(); SwingUtilities.convertPointFromScreen(p, container); if (!container.contains(p) && frame.getStates() == AHFBodyState.CANHIDD) { frame.moveToHidden(); } } public void windowGainedFocus(WindowEvent e) { // 得到焦点检查鼠标是不是在窗体上 Point p = MouseInfo.getPointerInfo().getLocation(); SwingUtilities.convertPointFromScreen(p, container); if (container.contains(p) && frame.getStates() == AHFBodyState.HIDDEN) { frame.moveToVisible(); } } public void windowLostFocus(WindowEvent e) { // 失去焦点,启动计时器 if (frame.getStates() == AHFBodyState.CANHIDD) { System.out.println("2秒后自动隐藏窗口!"); timer.restart(); } } } package com.xdarkness.swing.autohidden;import java.awt.Point; import java.awt.event.ComponentListener; import javax.swing.JFrame; /** * 用来提示将要隐藏的线程 * * @author Darkness * @version 1.0 * @since JDF 1.0 */public class WindowMover extends Thread { public static void moveToPoint(JFrame dialog, Point targetPoint) { new WindowMover(dialog, targetPoint).start(); } protected static int FRAMES = 15; // 最多移动多少动画帧 private JFrame window; // 要移动的窗口 private Point point; // 目的坐标 private int index; // 当前帧数 private int addedX; // 每次移动的X坐标增量 private int addedY; // 每次移动的Y坐标的增量 ComponentListener[] componentListeners;// 组件侦听器数组 /* * 定义私有的构造方法,应调用静态方法moveToPoint; */ private WindowMover(JFrame window, Point targetPoint) { this.window = window; window.getGlassPane().setVisible(true); // 设置此窗体的GlassPane为显示的,以阻止子组件接收鼠标事件,减少事件触发 // 同样,移除此窗体上的组件侦听器,防止再次触发窗体移动事件 componentListeners = window.getComponentListeners(); for (ComponentListener cl : componentListeners) { window.removeComponentListener(cl); } Point wl = window.getLocation(); point = targetPoint; index = 0; // 初始化帧书为0; // 计算每次移动量 addedX = (point.x - wl.x) / FRAMES; if (addedX == 0 && point.x != wl.x) { addedX = point.x < wl.x ? -1 : 1; } addedY = (point.y - wl.y) / FRAMES; if (addedY == 0 && point.y != wl.y) { addedY = point.y < wl.y ? -1 : 1; } } public void run() { System.out.println(window.getLocation() + "=====" + point); if (window.getLocation().equals(point)) return;// 如果已在目的点，则返回 if (!window.isVisible()) return;// 如果窗口是不可视的则返回 while (index < FRAMES) { Point p = window.getLocation(); if (p.x != point.x) p.translate(addedX, 0); if (p.y != point.y) p.translate(0, addedY); window.setLocation(p); index++; try { Thread.sleep(15); } catch (Exception e) { } } window.setLocation(point); // 还原所做的操作 window.getGlassPane().setVisible(false); for (ComponentListener cl : componentListeners) { window.addComponentListener(cl); } // 释放资源,使gc可以回收此对象 window = null; point = null; componentListeners = null; System.out.println("finsh Moved"); } } package com.xdarkness.swing.test;import javax.swing.JFrame;import javax.swing.SwingUtilities;import com.xdarkness.swing.autohidden.AutoHiddenFrame;/** * 自动隐藏窗体测试 * @author Darkness * create on 2010-11-26 下午02:02:14 * @version 1.0 * @since JDF 1.0 */public class AutoHiddenFrameTest extends AutoHiddenFrame {private static final long serialVersionUID = -455700849275575191L;public AutoHiddenFrameTest(){this.setTitle("Music");this.setSize(228, 720);this.setMoveFrames(100);// 设置自动隐藏窗体移动的帧住，数值越大，速度越慢}public static void main(String[] args) {SwingUtilities.invokeLater(new Runnable() {public void run() {AutoHiddenFrameTest shell = new AutoHiddenFrameTest();shell.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);shell.setVisible(true);}});}}
